Hot smoke heating device of pulse valve

The utility model discloses a hot smoke heating device of a pulse valve. The hot smoke heating device comprises a supporting block, a heat preservation shed, a hot smoke pipeline, an installation disc and a PLC. The heat preservation shed is fixed between the supporting block and the installation disc. The installation disc and the supporting block are fastened through a bolt. The hot smoke pipeline penetrates through the heat preservation shed to stretch into a clean gas chamber below the installation disc. A diffusion opening in the middle of the clean gas chamber is formed in the tail end of the hot smoke pipeline. An electric adjusting valve and a temperature control instrument which are connected with the PLC are installed at the other end of the hot smoke pipeline. A filter element pipe is installed at the position, on the outer side of the temperature control instrument, of the hot smoke pipeline. A temperature sensor connected with the PLC is installed inside the heat preservation shed. According to t